Fermilab Computing Division

CS Document 3072-v1

Benchmark of glidein factory monitoring - Web presentation (v2_0_beta_4 and v1_6_beta_2)

Document #:
CS-doc-3072-v1
Document type:
Technical Note
Submitted by:
Igor Sfiligoi
Updated by:
Igor Sfiligoi
Document Created:
29 Jan 2009, 15:21
Contents Revised:
29 Jan 2009, 15:21
Metadata Revised:
29 Jan 2009, 15:21
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Abstract:
The glidein factory monitoring is composed of four parts; collecting the monitoring information, storing a snapshot in a web accessible XML file, keeping a RRD archive of historical data, and maintaining of a user friendly Web interface.
The maintenance of the Web interface turns to be a quite heavy operation; in order to minimize the security risks, all the data is preprocessed, so that the Web server serves only static web pages and image files. The CPU and IO demands of this monitoring scale with the number of entry points and clients, so it can easily use up all the resources of the glidein factory machine
In order to measure the actual load of such setup, a test setup has been prepared. I have tested the v2_0_beta_4 cvs tag, which uses the same monitoring as v1_6_beta_2. The results are presented in the document.
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